Finding the Fourth Proportional to 1,348.16, 1,862.18 and 1,031.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,348.16 : 1,862.18 = 1,031.51 : x
2. Step 2: Convert to fraction form
   1,348.16/1,862.18 = 1,031.51/x
3. Step 3: Cross multiply
   1,348.16x = 1,862.18 × 1,031.51
4. Step 4: Simplify right side
   1,348.16x = 1,920,842.82
5. Step 5: Solve for x
   x = 1,920,842.82/1,348.16
6. Step 6: Final answer
   x = 1,424.79